Which Statement Can Be Used to Explain How the First

Multiple Choice

Which statement can be used to explain how the first law of thermodynamics relates to biological systems?

A) Biological systems must take in energy from the surroundings to be able to build complex molecules from smaller precursor molecules.
B) In any biological system, the total energy includes the usable energy that can do work and the unusable energy that is lost to disorder.
C) Energy moves in and out of biological systems and is transformed from one type to another, but no energy is destroyed or created in the process.
D) The amount of energy that a biological system has available to do work is always less than the original amount of energy taken in by the system from its surroundings.
E) In a biological system, free energy continually decreases with repeated energy transformations.